package Thread;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadPool= Executors.newFixedThreadPool(2);
        for(int i=0;i<5;i++){
            Runnable r =new Runnable() {
                public void run(){
                    Thread t=Thread.currentThread();
                    System.out.println(t+"正在执行任务...");
                    try {
                        Thread.sleep(5000);
                    } catch (InterruptedException e) {

                    }
                    System.out.println(t+"任务执行完毕...");
                }

            };
            threadPool.execute(r);
            System.out.println("将一个任务交给线程池");
        }

        threadPool.shutdownNow();
        System.out.println("线程池已关闭...");
    }
}
